I think the art/frame/theme plays a big part in the card
From Magic: The Gathering players to Pokemon card collectors, TCGPlayer CEO Robert Bigler is on a mission to expand the online trading card market with new products and features for buyers and sellers but promises it will not be at the expense of the quality of those very pricey collectibles
Agent of the Shadow Thieves Altar of Shadows Archpriest of Shadows Armor of Shadows Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm Author of Shadows Circle of Protection: Shadow City of Shadows Dakkon, Shadow Slayer Dance of Shadows Davriel's Shadowfugue Davriel, Rogue Shadowmage Death's Shadow Devour in Shadow Dokuchi Shadow-Walker Dovin's Veto Dragon Shadow Duskmantle, House of Shadow Elves of Deep Shadow Embrose, Dean of Shadow Eventide's Shadow Falthis, Shadowcat Familiar Feral Shadow Fiend of the Shadows Flameshadow Conjuring Foreshadow Gix, Yawgmoth Praetor Grasping Shadows Horrid Shadowspinner Interceptor, Shadow's Hound Kagha, Shadow Archdruid Kaito, Dancing Shadow Kami of Restless Shadows Kiku's Shadow Knight of Dusk's Shadow Mardu Shadowspear Maze of Shadows Misery's Shadow Moonshadow Nether Shadow Nezumi Shadow-Watcher Nissa of Shadowed Boughs Oko, Shadowmoor Scion Perilous Shadow Reach of Shadows Ronin, Shadow Stalker Shadow Alley Denizen Shadow Glider Shadow Guildmage Shadow Kin Shadow Lance Shadow Prophecy Shadow Puppeteers Shadow Rider Shadow Rift Shadow Slice Shadow Sliver Shadow Stinger Shadow Summoning Shadow Urchin Shadow in the Warp Shadow of Doubt Shadow of Mortality Shadow of the Enemy Shadow of the Goblin Shadow of the Grave Shadow of the Second Sun Shadow, Mysterious Assassin Shadow-Rite Priest Shadowbane Shadowbeast Sighting
It's not because it's oppressive in battle like Mewtwo
It has a lot of partner commanders, which allow you to have two commanders instead of one
